Questions tagged [file-formats]

A standard way that information is encoded for storage in a computer file

Filter by
Sorted by
Tagged with
11 votes
2 answers
4k views

GDF -- Can anyone suggest some good reading?

Can anyone give me a nutshell explanation of the Geographic Data Files format, or post a few URLs I might find enlightening? I get the sense (although I'm not sure) that GDF implies building ...
Dano's user avatar
  • 2,370
1 vote
2 answers
1k views

Creating a .rul file for topology in ArcGIS?

How can I create .rul file for topology in ArcGIS?
user avatar
1 vote
2 answers
4k views

Import .cdr file into gis/cad format

I have a Corel draw (.cdr) file that I would like to import into a GIS. It is a vector format which I think has no geographic information associated. I would like to be able to get it into MapInfo ...
user avatar
18 votes
3 answers
2k views

What is the wire format for Google's new vector map tiles?

Google recently released new vector cartography for their mobile maps. I'm curious if anyone here has any insight into the wire format they use for transmission? I've experimented with a few formats ...
Michal Migurski's user avatar
13 votes
4 answers
18k views

How can I transform a georeferenced JPG to a georeferenced TIF?

I have an georeferenced JPG file and a JGW file containing the coordinates. How can I transform it to a georeferenced TIF file and a TFW file? I have tried to save the JPG file as an TIF file in ...
Jonas's user avatar
  • 2,231
0 votes
1 answer
1k views

How can I open a georeferenced JPG file in OCAD?

I have a georeferenced .jpg file with the .jgw file containing the coordinates. I want to use it as a background in OCAD. But when I open the file as a background, the jpg file is not georeferenced to ...
Jonas's user avatar
  • 2,231
11 votes
14 answers
14k views

Which GIS support DXF and/or DWG?

Which GIS support DXF and/or DWG (preferably read&write)? Update: Are there any open source GIS supporting these or similar CAD files? Support of CAD files generally seems to be problematic. ...
7 votes
3 answers
350 views

Custom, low-level representation of streets and traffic rules

I'm new to GIS, and I'm still trying to gain an understanding of what can be represented in the various GIS files. Very generally I know(/think) that you can represent points, that lines, polylines, ...
John Berryman's user avatar
18 votes
4 answers
4k views

Are ArcGIS *.lyr and *.mxd data format specs published?

Are the binary formats of *.lyr and *.mxd files published?
Scott Wisniewski's user avatar
114 votes
23 answers
139k views

Converting between KML and shapefile (SHP) format

My users are sending me point data that were digitized using Google Earth. How can I convert their KML to a shapefile and vice versa?
TroutSlayer's user avatar
  • 1,363
2 votes
5 answers
3k views

Is there any open source library for reading OCAD files?

I would like to read map files created by OCAD (.ocd). The file format specification is open and available on the web page, but it's binary and complex. Is there an open source library that can be ...
Jonas's user avatar
  • 2,231

1 2 3 4
5